netdev - Re: [PATCH net-next 09/18] ipv6: Ignore dead routes during lookup

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Message-ID: <dd3716d9-16a5-405f-57d6-bc8877e4132d@gmail.com>
Date:   Sun, 7 Jan 2018 10:02:34 -0700
From:   David Ahern <dsahern@...il.com>
To:     Ido Schimmel <idosch@...lanox.com>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, roopa@...ulusnetworks.com,
        nicolas.dichtel@...nd.com, weiwan@...gle.com, kafai@...com,
        yoshfuji@...ux-ipv6.org, mlxsw@...lanox.com
Subject: Re: [PATCH net-next 09/18] ipv6: Ignore dead routes during lookup

On 1/7/18 3:45 AM, Ido Schimmel wrote:
> Currently, dead routes are only present in the routing tables in case
> the 'ignore_routes_with_linkdown' sysctl is set. Otherwise, they are
> flushed.
> 
> Subsequent patches are going to remove the reliance on this sysctl and
> make IPv6 more consistent with IPv4.
> 
> Before this is done, we need to make sure dead routes are skipped during
> route lookup, so as to not cause packet loss.
> 
> Signed-off-by: Ido Schimmel <idosch@...lanox.com>
> ---
>  net/ipv6/route.c | 18 ++++++++++++++----
>  1 file changed, 14 insertions(+), 4 deletions(-)

Acked-by: David Ahern <dsahern@...il.com>